15 different ratios which range from 3.5:1 to 100:1
Max. input speed: 1800 RPM
Output torque up to 190 in-lbs
Light-weight Nylon housing
Lubricated for life
Shaft input to shaft output or shaft input to hollow bore output
Input & Output Shafts for Worm Gearboxes
Input shafts and output shafts with drive keys and retainer rings can be supplied to your specifications for just about any of our hollow bore gearboxes. We carry P Series gearbox result shafts designed specifically for our worm gear reduction boxes.
Our inventory also includes a broad selection of misalignment shaft couplings in ” and metric bore sizes for your worm gearbox software. Other ” and metric precision floor shafts are available from stock.
The Ever-Power Advantage for Worm Drive Gearboxes
Ever-Power has 30-in addition years’ experience in manufacturing gearboxes and other precision drive components. Features and benefits of our worm gears consist of:
High efficiency right angle worm gear reducers
Backlash: 4, 8, or 30 arc-min
Single shaft, double shaft, or flange mount input
NEMA mount flanges available
Rugged worm equipment reducers built for reliability in challenging applications
Permanently lubricated
Gearboxes are conservatively rated
Offered with ingress protection to IP65 or higher
Solid aluminum housings
Ball bearings on input and output
Custom 90-degree gearboxes are available to your specifications
Request a Quote for Precision Worm Gearboxes
We provide reliable, high performance worm gearboxes for most motion transfer applications. Order today, request a quote, or get in touch with Ever-Power for the worm equipment reducer you need.
See individual item listings for more information and specifications.
Worm Drive Gearboxes for High Torque Applications
Our worm gearboxes are greased for life and feature solid aluminum housings and ball bearings on input and result. If you’re uncertain which gear reduction package is most effective to your application, look at our Buyer’s Information to see ten essential points to consider when choosing a gearbox. Another important reference, Inertia and the Use of Inertia Numbers, offers a formula for coping with inertia in worm gear selection.
Shaft to Bore Wormwheel Gearboxes
Shaft to bore worm gearboxes are engineered for ≤30 arc minutes of backlash. Offered ratios range from 5:1 to 120:1 with single-finished or double-ended output shafts. Imperial and metric sizes.
High efficiency: up to 90% at 1,000 RPM
Output torque up to at least one 1,400 lbf.in.
Rated for input speeds up to 3,000 RPM
Backlash only 4 arc minutes
Flange Wormwheel Gearboxes
Flange gear decrease boxes have a concise footprint and generate an output at 90° from the input. Available in a variety of sizes with single-ended or double-ended output shafts, and with standard ratios which range from 5:1 to 120:1. Imperial and metric sizes.
High efficiency: up to 90% at 1,000 RPM
Output torque up to at least one 1,400 lbf.in.
Rated for input boosts to 3,000 RPM
Backlash as low as 4 arc minutes
NEMA Flange Worm Drive Gearboxes
NEMA flange worm gearboxes include a compact aluminum frame with a 90° result angle and so are offered with reduction ratios ranging from 5:1 to 120:1. Optional NEMA 17 and NEMA 23 inputs can be found, as well as single-output or double-output shafts. Imperial and metric sizes.
High efficiency: up to 90% at 1,000 RPM
Output torque up to 1 1,400 lbf.in.
Rated for input boosts to 3,000 RPM
Backlash only 4 arc minutes
Miniature Wormwheel Gearboxes
Miniature worm gear decrease boxes 
are greased forever and offered in metric sizes with ratios ranging from 1:1 to 30:1. Obtainable in 3.00mm or 4.00mm shaft output options. Metric sizes only.
High efficiency: up to 82% at 1,000 RPM
Max. Result: up to 4,000 RPM
Low backlash: ≈2°
Result torque up to 3.95 lbf.in.
Framework sizes 14mm cubed and 20mm cubed
High Ratio Decrease Worm Gearboxes
High reduction worm gearboxes feature parallel insight and output shafts and so are essentially two reduction gearboxes within a unit. Dual ball bearings and long lasting lubrication provide years of reliable high cycle performance. Select from three frame sizes with ratios which range from 25:1 to 900:1. Metric sizes just.
Input speeds: up to 3,000 RPM
Torque ideals: 2.2Nm to 34Nm
Low backlash: ≈2°
Compact Wormwheel Gearboxes
Our most small worm drive gearbox is designed to handle demanding power transfer applications and is offered with a 5:1, 10:1 or 20:1 gear ratio. Features consist of machined aluminium housing and hardened steel gears. Imperial sizes only.
High efficiency: up to 90% at 1,000 RPM
Max. input speed: 3,000 RPM
Low backlash: maximum ≈2°
Output torque up to 3.95 lbf.in
Lightweight – approximately 4oz
Low profile – only 1 1.09 in high.
Economic Molded Glass Filled Housing Speed Reducers
Assembled in a Cup filled Nylon Housing are financial yet deliver superior overall performance.
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